UniProtKB/SwissProt variant VAR

Variant information

Variant position:

107

The position of the amino-acid change on the UniProtKB canonical protein sequence.

Type of variant:

LP/P [Disclaimer]

The variants are classified into three categories: LP/P, LB/B and US.

LP/P: likely pathogenic or pathogenic.
LB/B: likely benign or benign.
US: uncertain significance

Residue change:

From Arginine (R) to Tryptophan (W) at position 107 (R107W, p.Arg107Trp).

Indicates the amino acid change of the variant. The one-letter and three-letter codes for amino acids used in UniProtKB/Swiss-Prot are those adopted by the commission on Biochemical Nomenclature of the IUPAC-IUB.

Physico-chemical properties:

Change from large size and basic (R) to large size and aromatic (W)

The physico-chemical property of the reference and variant residues and the change implicated.

BLOSUM score:

-3

The score within a Blosum matrix for the corresponding wild-type to variant amino acid change. The log-odds score measures the logarithm for the ratio of the likelihood of two amino acids appearing by chance. The Blosum62 substitution matrix is used. This substitution matrix contains scores for all possible exchanges of one amino acid with another:

Lowest score: -4 (low probability of substitution).
Highest score: 11 (high probability of substitution).

More information can be found on the following page

Variant description:

In LDHBD; inactive.

Any additional useful information about the variant.

Other resources:

Links to websites of interest for the variant.

Variant rs777954556 [ dbSNP | Ensembl ]

Sequence information

Variant position:

107

The position of the amino-acid change on the UniProtKB canonical protein sequence.

Protein sequence length:

334

The length of the canonical sequence.

Location on the sequence:

TANSKIVVVTAGVRQQEGES R LNLVQRNVNVFKFIIPQIVK

The residue change on the sequence. Unless the variant is located at the beginning or at the end of the protein sequence, both residues upstream (20) and downstream (20) of the variant will be shown.

Residue conservation:

The multiple alignment of the region surrounding the variant against various orthologous sequences.

Human                         TANSKIVVVTAGVRQQEGESRLNLVQRNVNVFKFIIPQIVK

Chimpanzee                    TANSKIVVVTAGVRQQEGESRLNLVQRNVNVFKFIIPQIVK

Mouse                         TANSKIVVVTAGVRQQEGESRLNLVQRNVNVFKFIIPQIVK

Rat                           TANSKIVVVTAGVRQQEGESRLNLVQRNVNVFKFIIPQIVK

Pig                           TANSKIVVVTAGVRQQEGESRLNLVQRNVNVFKFIIPQIVK

Bovine                        TANSKIVVVTAGVRQQEGESRLNLVQRNVNVFKFIIPQIVK

Chicken                       TANSKIVVVTAGVRQQEGESRLNLVQRNVNVFKFIIPQIVK

Xenopus laevis                TANSRIVVVTGGVPQQEGESRLNLVQRNVNVFKFIIPQVVK

Sequence annotation in neighborhood:

The regions or sites of interest surrounding the variant. In general the features listed are posttranslational modifications, binding sites, enzyme active sites, local secondary structure or other characteristics reported in the cited references. The "Sequence annotation in neighborhood" lines have a fixed format:

Type: the type of sequence feature.
Positions: endpoints of the sequence feature.
Description: contains additional information about the feature.

Type	Positions	Description
Chain	2 – 334	L-lactate dehydrogenase B chain
Binding site	100 – 100
Binding site	107 – 107
Modified residue	119 – 119	N6-acetyllysine
Mutagenesis	100 – 100	R -> A. Abolishes interaction with MP31.
Helix	107 – 110

Literature citations

Arginine to tryptophan substitution in the active site of a human lactate dehydrogenase variant -- LDHB GUA1: postulated effects on subunit structure and catalysis.
Shonnard G.C.; Hud N.V.; Mohrenweiser H.W.;
Biochim. Biophys. Acta 1315:9-14(1996)
Cited for: VARIANT LDHBD TRP-107;

UniProtKB/Swiss-Prot variant pages

UniProtKB/Swiss-Prot P07195: Variant p.Arg107Trp